package com.wit.service;

import java.util.List;

import com.wit.po.Mark;
import com.wit.po.Mdescription;

public interface MdescriptionService {
	
	public boolean addMdescription(Mdescription mdescription);
	
	public boolean deleteMdescription(Mdescription mdescription);
	
	public boolean modifyMdescription(Mdescription mdescription);
	
	public List<Mdescription> findMdescriptionByMark(Mark mark);
	
	public Mdescription findByIndentifier(Integer mdid);
}
